A youtube-dl fork with additional features and fixes
this can be downloaded and run directly
Selenium in Docker with Chrome and Firefox
Subtitle Editor
Subtitle Creation Assistant
Adjusts the timing of subtitle files (handles *.srt and *.sub formats)
Full features for Dolphin's right click menu on KDE [4.x|5.x]
Play various formats video and audio file
HTML & Javascript based Youtube's video URL finder
Easily Create EDL files to mute or skip scenes in video.
A tool to convert video from nearly any format to modern codecs
Merge and Translate Subtitles
Managana is a free cross-platform software for digital publication.